feat(docs): add tip for discount

docs/.vitepress/config.mts

@@ -22,6 +22,15 @@ export default defineConfig({
     }
   },
   themeConfig: {
+    search: {
+      provider: 'algolia',
+      options: {
+        appId: '2EQKL1O1UU',
+        apiKey: 'e9d7b5be73f29af4030535a726ec7196',
+        indexName: 'koel'
+      }
+    },
+
     outline: {
       level: 'deep'
     },

docs/.vitepress/theme/custom.scss

@@ -3,11 +3,6 @@
   --vp-c-brand-2: #d80693;
 }
 
-.dark {
-  --vp-c-brand-1: #ff9be3;
-  --vp-c-brand-2: #ff6ecf;
-}
-
 .vp-doc {
   kbd {
     background-color: var(--vp-code-bg);

docs/plus/purchase-activation.md

@@ -10,6 +10,10 @@ Pay __once__, and you get all current _and_ future updates at no extra fee, fore
 
 <a class="lemonsqueezy-button" :href="config.plus.purchaseUrl">Click here</a> to purchase Koel Plus.
 
+<div class="info custom-block" style="padding-top: 8px">
+❤️  If you’re a current or past sponsor, <a href="mailto:me@phanan.net">reach out</a> for a discount code. ❤️
+</div>
+
 ## Activation
 
 <UISubjectToChangeNote />